Cup lid



FIG. 1 is a top front perspective view of a cup lid, showing my newdesign;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a bottom rear perspective view thereof.

CLAIM The ornamental design for a cup lid, as shown and described.